GB-4
D
GB
F
NL
I
E
Replacing the actuator
▷
We recommend replacing the entire actuator set
when replacing the actuator.
▷
Actuator set VGP 10-15 comprises the actuator,
1 x O-ring, 1 x seal and 1 x quick fastener.
▷
Actuator set VGP 20-25 comprises the actuator
and 2 x O-rings.
▷
The actuator set is available separately as a
spare part.
VGP
Disconnect the system from the electrical power
supply.
2
Shut off the gas supply.
3
4
5
VGP 0-5
11
6
9
10
8
7
A
▷
Do not remove the grounding spring
A
.
11
6
9
10
8
7
A
VGP 20-25
10
6
7
8
9
11
VGP
12
13
14
4
The unit is ready for operation.
5
Release the gas supply.
Maintenance
▷
In order to ensure smooth operation: check the
tightness and function of the VGP every year, or
every six months if operated with biogas.
Checking tightness and function
▷
In order to determine whether the VGP is tight
and closes securely, check the internal and ex-
ternal tightness, see page 3 (Tightness test).
▷
Check electrical installations in line with local reg-
ulations; pay particular attention to the PE wire,
see page 3 (Wiring).
▷
We recommend replacing the entire seal set
when servicing the solenoid valve.
▷
Seal set VGP 10-15 comprises the valve seal, 2 x
O-rings, 1 x seal and 1 x quick fastener.
▷
Seal set VGP 20-25 comprises the valve seal
and 3 x O-rings.
▷
The seal set is available separately as a spare part.
VGP
Disconnect the system from the electrical power
supply.
2
Shut off the gas supply.
VGP 0-5
3
4
5
A
▷
Do not remove the grounding spring
A
.
6
7
8
▷
Check closing spring for damage.
▷
Closing spring damaged: dismantle the unit and
return it to the manufacturer.
13
12
9
14
10
11